<html>
    <head>
        <style>
            label{
            position: relative;
        }
        #fileinp{
            position: absolute;
            left: 0;
            top: 0;
            opacity: 0;
        }
        #btn{
            margin-right: 5px;
        }
        #text{
            color: red;
        }
        </style>
    </head>
    <body>
        <label for="fileinp">
            <input type="button" id="btn" value="点我上传"><span id="text">请上传Word文档</span>
            <input type="file" id="fileinp">

            
    </label>
    <input type="button" value="UPdate">
    <input type="file" id="fileInput">
    </body>
</html>